diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/gen/vis.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/lib/libc/gen/vis.c b/lib/libc/gen/vis.c index a1f4b0fd8b8..579fa81822e 100644 --- a/lib/libc/gen/vis.c +++ b/lib/libc/gen/vis.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vis.c,v 1.22 2011/03/13 22:21:32 guenther Exp $ */ +/* $OpenBSD: vis.c,v 1.23 2014/11/17 19:48:27 millert Exp $ */ /*- * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. @@ -29,9 +29,11 @@ */ #include <sys/types.h> -#include <limits.h> +#include <errno.h> #include <ctype.h> +#include <limits.h> #include <string.h> +#include <stdlib.h> #include <vis.h> #define isoctal(c) (((u_char)(c)) >= '0' && ((u_char)(c)) <= '7') @@ -204,6 +206,25 @@ strnvis(char *dst, const char *src, size_t siz, int flag) } int +stravis(char **outp, const char *src, int flag) +{ + char *buf; + int len, serrno; + + buf = reallocarray(NULL, 4, strlen(src) + 1); + if (buf == NULL) + return -1; + len = strvis(buf, src, flag); + serrno = errno; + *outp = realloc(buf, len + 1); + if (*outp == NULL) { + *outp = buf; + errno = serrno; + } + return (len); +} + +int strvisx(char *dst, const char *src, size_t len, int flag) { char c; |